單項選擇題

Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）

A.The access link needs to be configured in multiple VLANs.
B.The link between the switches is configured in the wrong VLAN.
C.The link between the switches needs to be configured as a trunk.
D.VTP is not configured to carry VLAN information between the switches.
E.Switch IP addresses must be configured in order for traffic to be forwarded between the switches


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1.多項選擇題

Which of the following statements describe the network shown in the graphic? （）

A.There are two broadcast domains in the network.
B.There are four broadcast domains in the network.
C.There are six broadcast domains in the network.
D.There are four collision domains in the network.
E.There are five collision domains in the network.
F.There are seven collision domains in the network.

2.單項選擇題Which command enables RSTP on a switch?（）

A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst

3.多項選擇題Which two commands can be used to verify a trunk link configuration status on a given cisco switch?（）

A.show interfaces interface
B.show interfaces trunk
C.show interfaces switchport
D.show ip interface brief
E.show interfaces vlan

4.多項選擇題Which two states are the port states when RSTP has converged?（）

A.blocking
B.learning
C.discarding
D.forwarding
E.listening

5.多項選擇題In an Ethernet network, under what two scenarios can devices transmit? （）

A.when they receive a special token
B.when there is a carrier
C.when they detect no other devices are sending
D.when the medium is idle
E.when the server grants access